This report of a hearing begins with an opening statement by Senator J. Bennett Johnston, Chairman of the Committee, and prepared statements from Committee members Larry E. Craig and Pete V. Domenici. The text of the bill, which provides for continued U.S. leadership in high-performance computing, is then presented, followed by additional statements from Senators Wendell H. Ford, Albert Gore, Jr., Jeff Bingaman, and Malcolm Wallop Testimony is also included from Siegfried S. Hecker, Director of the Los Alamos National Laboratory; Kenneth M. King, president of EDUCOM; David B. Nelson, Executive Director of the Office of Energy Research, Department of Energy; Glenn Ricart, president of FARNET; Lloyd M. Thorndyke, chief executive officer of DataMax, Inc.; and Eugene Wong, Associate Director of Physical Sciences and Engineering, Office of Science and Technology, Executive Office of the President. Responses to additional questions and additional materials submitted for the record are also provided. (DB)